Rainbow-electronics MAX5958 Manual de usuario descargar pdf (Pagina 8)

MAX5957/MAX5958

Triple PCI Express, Hot-Plug Controllers

8 _______________________________________________________________________________________

Typical Operating Characteristics (continued)

12VIN

= V

12S_+

= 12V, V

3.3S_+

= V

3.3S_-

= V

3.3AUXIN

= V

ON_

= V

AUXON_

= V

FON_

= 3.3V, PWRGD_ = FAULT_ = PORADJ = TIM =

OUTPUT_ = OPEN, INPUT_ = PRES-DET_ = PGND = GND. See the

Typical Application Circuit

SHORT CIRCUIT ON 12V MAIN OUTPUT

MAX5957 toc25

12G_

20V/div

FAULT_

5V/div

12V OUTPUT CURRENT

5A/div

2ms/div

12V OUTPUT VOLTAGE

10V/div

SHORT CIRCUIT ON 12V MAIN OUTPUT

MAX5957 toc26

12G_

20V/div

FAULT_

5V/div

12V OUTPUT CURRENT

10A/div

4µs/div

12V OUTPUT VOLTAGE

10V/div

FAULT CONDITION ON AUXILIARY OUTPUT

(LATCHOFF OPTION)

MAX5957 toc23

FAULT_

2V/div

3.3VAUXO_ OUTPUT CURRENT

500mA/div

100ms/div

3.3VAUXO_ OUTPUT VOLTAGE

2V/div

LOAD

STEP TO 3.5Ω

MAX5958

FAULT CONDITION ON AUXILIARY OUTPUT

MAX5957 toc24

FAULT_

2V/div

3.3VAUXO_ OUTPUT CURRENT

500mA/div

10ms/div

3.3VAUXO_ OUTPUT VOLTAGE

2V/div

LOAD

STEP TO 3Ω

FAULT

MAX5958

SHORT CIRCUIT ON 3.3V MAIN OUTPUT

MAX5957 toc27

3.3G_

5V/div

FAULT_

5V/div

3.3V OUTPUT CURRENT

2A/div

2ms/div

3.3V OUTPUT VOLTAGE

5V/div

SHORT CIRCUIT ON 3.3V MAIN OUTPUT

MAX5957 toc28

3.3G_

5V/div

FAULT_

5V/div

3.3V OUTPUT CURRENT

10A/div

2µs/div

3.3V OUTPUT VOLTAGE

5V/div

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 24 25

MAX5957/MAX5958 1

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Rainbow-electronics MAX5958 Manual de usuario Pagina 8

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